31347360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1979}}^1$

素因数の和:2011

約数の個数: 144

約数和(自身を含む): 116756640

約数和(自身を除く): 85409280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 132, 144, 160, 165, 176, 180, 198, 220, 240, 264, 288, 330, 352, 360, 396, 440, 480, 495, 528, 660, 720, 792, 880, 990, 1056, 1320, 1440, 1584, 1760, 1979, 1980, 2640, 3168, 3958, 3960, 5280, 5937, 7916, 7920, 9895, 11874, 15832, 15840, 17811, 19790, 21769, 23748, 29685, 31664, 35622, 39580, 43538, 47496, 59370, 63328, 65307, 71244, 79160, 87076, 89055, 94992, 108845, 118740, 130614, 142488, 158320, 174152, 178110, 189984, 195921, 217690, 237480, 261228, 284976, 316640, 326535, 348304, 356220, 391842, 435380, 474960, 522456, 569952, 653070, 696608, 712440, 783684, 870760, 949920, 979605, 1044912, 1306140, 1424880, 1567368, 1741520, 1959210, 2089824, 2612280, 2849760, 3134736, 3483040, 3918420, 5224560, 6269472, 7836840, 10449120, 15673680, 31347360]

約数ペア:

[(1, 31347360), (2, 15673680), (3, 10449120), (4, 7836840), (5, 6269472), (6, 5224560), (8, 3918420), (9, 3483040), (10, 3134736), (11, 2849760), (12, 2612280), (15, 2089824), (16, 1959210), (18, 1741520), (20, 1567368), (22, 1424880), (24, 1306140), (30, 1044912), (32, 979605), (33, 949920), (36, 870760), (40, 783684), (44, 712440), (45, 696608), (48, 653070), (55, 569952), (60, 522456), (66, 474960), (72, 435380), (80, 391842), (88, 356220), (90, 348304), (96, 326535), (99, 316640), (110, 284976), (120, 261228), (132, 237480), (144, 217690), (160, 195921), (165, 189984), (176, 178110), (180, 174152), (198, 158320), (220, 142488), (240, 130614), (264, 118740), (288, 108845), (330, 94992), (352, 89055), (360, 87076), (396, 79160), (440, 71244), (480, 65307), (495, 63328), (528, 59370), (660, 47496), (720, 43538), (792, 39580), (880, 35622), (990, 31664), (1056, 29685), (1320, 23748), (1440, 21769), (1584, 19790), (1760, 17811), (1979, 15840), (1980, 15832), (2640, 11874), (3168, 9895), (3958, 7920), (3960, 7916), (5280, 5937)]